<?php
/*
 *  $Id$
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */

/**
 * Doctrine_Validator_Future
 *
 * @package     Doctrine
 * @subpackage  Validator
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @link        www.doctrine-project.org
 * @since       1.0
 * @version     $Revision$
 * @author      Roman Borschel <roman@code-factory.org>
 */
class Doctrine_Validator_Future extends Doctrine_Validator_Driver
{
	/**
	 * checks if the given value is a valid date in the future.
	 *
	 * @param mixed $value
	 * @return boolean
	 */
	public function validate($value)
	{
		if (is_null($value)) {
			return true;
		}
		$e = explode('-', $value);

		if (count($e) !== 3) {
			return false;
		}

		if (is_array($this->args) && isset($this->args['timezone'])) {
			switch (strtolower($this->args['timezone'])) {
				case 'gmt':
					$now = gmdate("U") - date("Z");
					break;
				default:
					$now = getdate();
					break;
			}
		} else {
			$now = getdate();
		}

		if ($now['year'] > $e[0]) {
			return false;
		} else if ($now['year'] == $e[0]) {
			if ($now['mon'] > $e[1]) {
				return false;
			} else if ($now['mon'] == $e[1]) {
				return $now['mday'] < $e[2];
			} else {
				return true;
			}
		} else {
			return true;
		}
	}
}